1 files changed, 0 insertions, 391 deletions

diff --git a/external/unbound/util/mini_event.c b/external/unbound/util/mini_event.c
deleted file mode 100644
index 14e9efe47..000000000
--- a/external/unbound/util/mini_event.c
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- * mini_event.c - implementation of part of libevent api, portably.
- *
- * Copyright (c) 2007, NLnet Labs. All rights reserved.
- * 
- * This software is open source.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 
- * Neither the name of the NLNET LABS nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- */
-
-/**
- * \file
- * fake libevent implementation. Less broad in functionality, and only
- * supports select(2).
- */
-
-#include "config.h"
-#ifdef HAVE_TIME_H
-#include <time.h>
-#endif
-#include <sys/time.h>
-
-#if defined(USE_MINI_EVENT) && !defined(USE_WINSOCK)
-#include <signal.h>
-#include "util/mini_event.h"
-#include "util/fptr_wlist.h"
-
-/** compare events in tree, based on timevalue, ptr for uniqueness */
-int mini_ev_cmp(const void* a, const void* b)
-{
-	const struct event *e = (const struct event*)a;
-	const struct event *f = (const struct event*)b;
-	if(e->ev_timeout.tv_sec < f->ev_timeout.tv_sec)
-		return -1;
-	if(e->ev_timeout.tv_sec > f->ev_timeout.tv_sec)
-		return 1;
-	if(e->ev_timeout.tv_usec < f->ev_timeout.tv_usec)
-		return -1;
-	if(e->ev_timeout.tv_usec > f->ev_timeout.tv_usec)
-		return 1;
-	if(e < f)
-		return -1;
-	if(e > f)
-		return 1;
-	return 0;
-}
-
-/** set time */
-static int
-settime(struct event_base* base)
-{
-	if(gettimeofday(base->time_tv, NULL) < 0) {
-		return -1;
-	}
-#ifndef S_SPLINT_S
-	*base->time_secs = (time_t)base->time_tv->tv_sec;
-#endif
-	return 0;
-}
-
-/** create event base */
-void *event_init(time_t* time_secs, struct timeval* time_tv)
-{
-	struct event_base* base = (struct event_base*)malloc(
-		sizeof(struct event_base));
-	if(!base)
-		return NULL;
-	memset(base, 0, sizeof(*base));
-	base->time_secs = time_secs;
-	base->time_tv = time_tv;
-	if(settime(base) < 0) {
-		event_base_free(base);
-		return NULL;
-	}
-	base->times = rbtree_create(mini_ev_cmp);
-	if(!base->times) {
-		event_base_free(base);
-		return NULL;
-	}
-	base->capfd = MAX_FDS;
-#ifdef FD_SETSIZE
-	if((int)FD_SETSIZE < base->capfd)
-		base->capfd = (int)FD_SETSIZE;
-#endif
-	base->fds = (struct event**)calloc((size_t)base->capfd, 
-		sizeof(struct event*));
-	if(!base->fds) {
-		event_base_free(base);
-		return NULL;
-	}
-	base->signals = (struct event**)calloc(MAX_SIG, sizeof(struct event*));
-	if(!base->signals) {
-		event_base_free(base);
-		return NULL;
-	}
-#ifndef S_SPLINT_S
-	FD_ZERO(&base->reads);
-	FD_ZERO(&base->writes);
-#endif
-	return base;
-}
-
-/** get version */
-const char *event_get_version(void)
-{
-	return "mini-event-"PACKAGE_VERSION;
-}
-
-/** get polling method, select */
-const char *event_get_method(void)
-{
-	return "select";
-}
-
-/** call timeouts handlers, and return how long to wait for next one or -1 */
-static void handle_timeouts(struct event_base* base, struct timeval* now, 
-	struct timeval* wait)
-{
-	struct event* p;
-#ifndef S_SPLINT_S
-	wait->tv_sec = (time_t)-1;
-#endif
-
-	while((rbnode_type*)(p = (struct event*)rbtree_first(base->times))
-		!=RBTREE_NULL) {
-#ifndef S_SPLINT_S
-		if(p->ev_timeout.tv_sec > now->tv_sec ||
-			(p->ev_timeout.tv_sec==now->tv_sec && 
-		 	p->ev_timeout.tv_usec > now->tv_usec)) {
-			/* there is a next larger timeout. wait for it */
-			wait->tv_sec = p->ev_timeout.tv_sec - now->tv_sec;
-			if(now->tv_usec > p->ev_timeout.tv_usec) {
-				wait->tv_sec--;
-				wait->tv_usec = 1000000 - (now->tv_usec -
-					p->ev_timeout.tv_usec);
-			} else {
-				wait->tv_usec = p->ev_timeout.tv_usec 
-					- now->tv_usec;
-			}
-			return;
-		}
-#endif
-		/* event times out, remove it */
-		(void)rbtree_delete(base->times, p);
-		p->ev_events &= ~EV_TIMEOUT;
-		fptr_ok(fptr_whitelist_event(p->ev_callback));
-		(*p->ev_callback)(p->ev_fd, EV_TIMEOUT, p->ev_arg);
-	}
-}
-
-/** call select and callbacks for that */
-static int handle_select(struct event_base* base, struct timeval* wait)
-{
-	fd_set r, w;
-	int ret, i;
-
-#ifndef S_SPLINT_S
-	if(wait->tv_sec==(time_t)-1)
-		wait = NULL;
-#endif
-	memmove(&r, &base->reads, sizeof(fd_set));
-	memmove(&w, &base->writes, sizeof(fd_set));
-	memmove(&base->ready, &base->content, sizeof(fd_set));
-
-	if((ret = select(base->maxfd+1, &r, &w, NULL, wait)) == -1) {
-		ret = errno;
-		if(settime(base) < 0)
-			return -1;
-		errno = ret;
-		if(ret == EAGAIN || ret == EINTR)
-			return 0;
-		return -1;
-	}
-	if(settime(base) < 0)
-		return -1;
-	
-	for(i=0; i<base->maxfd+1; i++) {
-		short bits = 0;
-		if(!base->fds[i] || !(FD_ISSET(i, &base->ready))) {
-			continue;
-		}
-		if(FD_ISSET(i, &r)) {
-			bits |= EV_READ;
-			ret--;
-		}
-		if(FD_ISSET(i, &w)) {
-			bits |= EV_WRITE;
-			ret--;
-		}
-		bits &= base->fds[i]->ev_events;
-		if(bits) {
-			fptr_ok(fptr_whitelist_event(
-				base->fds[i]->ev_callback));
-			(*base->fds[i]->ev_callback)(base->fds[i]->ev_fd, 
-				bits, base->fds[i]->ev_arg);
-			if(ret==0)
-				break;
-		}
-	}
-	return 0;
-}
-
-/** run select in a loop */
-int event_base_dispatch(struct event_base* base)
-{
-	struct timeval wait;
-	if(settime(base) < 0)
-		return -1;
-	while(!base->need_to_exit)
-	{
-		/* see if timeouts need handling */
-		handle_timeouts(base, base->time_tv, &wait);
-		if(base->need_to_exit)
-			return 0;
-		/* do select */
-		if(handle_select(base, &wait) < 0) {
-			if(base->need_to_exit)
-				return 0;
-			return -1;
-		}
-	}
-	return 0;
-}
-
-/** exit that loop */
-int event_base_loopexit(struct event_base* base, 
-	struct timeval* ATTR_UNUSED(tv))
-{
-	base->need_to_exit = 1;
-	return 0;
-}
-
-/* free event base, free events yourself */
-void event_base_free(struct event_base* base)
-{
-	if(!base)
-		return;
-	free(base->times);
-	free(base->fds);
-	free(base->signals);
-	free(base);
-}
-
-/** set content of event */
-void event_set(struct event* ev, int fd, short bits, 
-	void (*cb)(int, short, void *), void* arg)
-{
-	ev->node.key = ev;
-	ev->ev_fd = fd;
-	ev->ev_events = bits;
-	ev->ev_callback = cb;
-	fptr_ok(fptr_whitelist_event(ev->ev_callback));
-	ev->ev_arg = arg;
-	ev->added = 0;
-}
-
-/* add event to a base */
-int event_base_set(struct event_base* base, struct event* ev)
-{
-	ev->ev_base = base;
-	ev->added = 0;
-	return 0;
-}
-
-/* add event to make it active, you may not change it with event_set anymore */
-int event_add(struct event* ev, struct timeval* tv)
-{
-	if(ev->added)
-		event_del(ev);
-	if(ev->ev_fd != -1 && ev->ev_fd >= ev->ev_base->capfd)
-		return -1;
-	if( (ev->ev_events&(EV_READ|EV_WRITE)) && ev->ev_fd != -1) {
-		ev->ev_base->fds[ev->ev_fd] = ev;
-		if(ev->ev_events&EV_READ) {
-			FD_SET(FD_SET_T ev->ev_fd, &ev->ev_base->reads);
-		}
-		if(ev->ev_events&EV_WRITE) {
-			FD_SET(FD_SET_T ev->ev_fd, &ev->ev_base->writes);
-		}
-		FD_SET(FD_SET_T ev->ev_fd, &ev->ev_base->content);
-		FD_CLR(FD_SET_T ev->ev_fd, &ev->ev_base->ready);
-		if(ev->ev_fd > ev->ev_base->maxfd)
-			ev->ev_base->maxfd = ev->ev_fd;
-	}
-	if(tv && (ev->ev_events&EV_TIMEOUT)) {
-#ifndef S_SPLINT_S
-		struct timeval *now = ev->ev_base->time_tv;
-		ev->ev_timeout.tv_sec = tv->tv_sec + now->tv_sec;
-		ev->ev_timeout.tv_usec = tv->tv_usec + now->tv_usec;
-		while(ev->ev_timeout.tv_usec > 1000000) {
-			ev->ev_timeout.tv_usec -= 1000000;
-			ev->ev_timeout.tv_sec++;
-		}
-#endif
-		(void)rbtree_insert(ev->ev_base->times, &ev->node);
-	}
-	ev->added = 1;
-	return 0;
-}
-
-/* remove event, you may change it again */
-int event_del(struct event* ev)
-{
-	if(ev->ev_fd != -1 && ev->ev_fd >= ev->ev_base->capfd)
-		return -1;
-	if((ev->ev_events&EV_TIMEOUT))
-		(void)rbtree_delete(ev->ev_base->times, &ev->node);
-	if((ev->ev_events&(EV_READ|EV_WRITE)) && ev->ev_fd != -1) {
-		ev->ev_base->fds[ev->ev_fd] = NULL;
-		FD_CLR(FD_SET_T ev->ev_fd, &ev->ev_base->reads);
-		FD_CLR(FD_SET_T ev->ev_fd, &ev->ev_base->writes);
-		FD_CLR(FD_SET_T ev->ev_fd, &ev->ev_base->ready);
-		FD_CLR(FD_SET_T ev->ev_fd, &ev->ev_base->content);
-	}
-	ev->added = 0;
-	return 0;
-}
-
-/** which base gets to handle signals */
-static struct event_base* signal_base = NULL;
-/** signal handler */
-static RETSIGTYPE sigh(int sig)
-{
-	struct event* ev;
-	if(!signal_base || sig < 0 || sig >= MAX_SIG)
-		return;
-	ev = signal_base->signals[sig];
-	if(!ev)
-		return;
-	fptr_ok(fptr_whitelist_event(ev->ev_callback));
-	(*ev->ev_callback)(sig, EV_SIGNAL, ev->ev_arg);
-}
-
-/** install signal handler */
-int signal_add(struct event* ev, struct timeval* ATTR_UNUSED(tv))
-{
-	if(ev->ev_fd == -1 || ev->ev_fd >= MAX_SIG)
-		return -1;
-	signal_base = ev->ev_base;
-	ev->ev_base->signals[ev->ev_fd] = ev;
-	ev->added = 1;
-	if(signal(ev->ev_fd, sigh) == SIG_ERR) {
-		return -1;
-	}
-	return 0;
-}
-
-/** remove signal handler */
-int signal_del(struct event* ev)
-{
-	if(ev->ev_fd == -1 || ev->ev_fd >= MAX_SIG)
-		return -1;
-	ev->ev_base->signals[ev->ev_fd] = NULL;
-	ev->added = 0;
-	return 0;
-}
-
-#else /* USE_MINI_EVENT */
-#ifndef USE_WINSOCK
-int mini_ev_cmp(const void* ATTR_UNUSED(a), const void* ATTR_UNUSED(b))
-{
-	return 0;
-}
-#endif /* not USE_WINSOCK */
-#endif /* USE_MINI_EVENT */